Best Money Market Rates in Polk City, Iowa - June 2026
Brian McKay
Brian McKay
Founder & Data Architect- Automated Online Rate Data Aggregation
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Current Polk City, Iowa and the surrounding area money market deposit account rates include Luana Savings BankLuana Savings Bank855 West Bridge Road, Polk City, IA 50226A+5.0 ★Texas Ratio: 0.11% Money Market Account at 3.09% APY, Grinnell State BankGrinnell State Bank205 Broadway St, Polk City, IA 50226A+5.0 ★Texas Ratio: 0.00% Business Money Market Savings at 1.00% APY, Mount Vernon B&T Co.Mount Vernon B&T Co.A+5.0 ★Texas Ratio: 0.00% Money Market Account at 5.50% APY, Atkins Savings B&TAtkins Savings B&TA+5.0 ★Texas Ratio: 2.49% Money Market Account at 3.56% APY, and Cent Credit UnionCent Credit UnionA+5.0 ★Texas Ratio: 2.76% Cheers Money Market at 3.55% APY. Money market rates as of June 3, 2026 according to verified data from MonitorBankRates.
Polk City has 2 local institutions in our database, with money market rates as high as 3.09% APY from Luana Savings Bank at 855 West Bridge Road, Polk City, IA 50226. Use the table below to compare all available offers, including options from institutions serving the broader Iowa area. Rates are continually updated — we recommend checking back frequently.
Rates reflect recent market quotes and representative offers available to depositors in Polk City, Iowa and surrounding area. Last Updated and Verified: June 3, 2026
Compare the Best Money Market Rates Today in Polk City, Iowa & the Surrounding Area
Balance: $500,000 - $999,999.99
Balance: $250,000 - $499,999.99
Balance: $100,000 - $249,999.99
Balance: $50,000 - $99,999.99
Balance: $10,000 - $49,999.99
Balance: $0 - $9,999.99
Money Market Savings Minimum to open $100; Minimum for APY $25,000 AB7
Interest Rate: 5.37%
Interest Rate: 5.13%
Interest Rate: 4.89%
Interest Rate: 4.65%
Interest Rate: 4.41%
Interest Rate: 4.17%
Interest Rate: 3.93%
No monthly service charge. Free Statements- paper or electronic! Free Online Banking, Free Mobile Banking with Mobile Deposit.
New deposits only. Valid as of 3/20.
With an active checking account
Limited time offer
Limited time offer
Get Started Online
Promotional rate effective for 10 months from opening date of new Money Market account. Rate may change after account is opened. Please see your Truth in Savings schedule for rate information after the 10-month introductory period. Fees could reduce the earnings on the account for maintenance and activity fees.
As high as
Balance: $250,000+
Minimum of $2,500 to earn dividends
Qualifications Required: Must be enrolled in electronic statements (eStatements) with a valid email address; $10,000 required to open account. Fees could reduce earnings on account. Rates may vary after the account is opened. APY is accurate of the date listed above.
$50,000 and over
Limited time offer
Minimum of $2,500 to earn dividends
Minimum opening deposit $0.00. Minimum balance to avoid a service fee $0.00. Dividend compounding and crediting Daily/Monthly. Fees could reduce the earnings on the account for maintenance and activity fees.
Qualifications Required: Must be enrolled in electronic statements (eStatements) with a valid email address; $10,000 required to open account. Fees could reduce earnings on account. Rates may vary after the account is opened. APY is accurate of the date listed above.
Balance: $75,000 - $249,999.99
Minimum of $2,500 to earn dividends
Banks and Credit Unions: If you identify an incorrect rate or wish to request the removal of your institution’s data, please contact us here.
Polk City, IA Money Market Rate Trends
Compare local Polk City, IA money market quotes against the statewide average
Daily money market rate averages tracked across our database of 8,500+ banks and credit unions — updated every evening.
Iowa high-yield MMA rates currently average 2.854% APY.
Iowa standard MMA rates fell 0.013 points over the past 7 days to 0.890% APY.
Methodology & Data Sources
Independent, Free, and Unbiased Rate Comparisons: MonitorBankRates.com is an independent rate comparison service. Our Polk City, Iowa money market rate tables are free for consumers to use, and we do not receive payment from any financial institution to be included or to be ranked in any particular order. Listings are based solely on the rates each institution publicly advertises on its own website.
A Note on Third-Party Rate Tools: Some pages on our site also feature rate comparison widgets and tools provided by third-party partners. These tools may include sponsored listings or affiliate links, and we may receive compensation when users click through them. We clearly label these widgets so you can tell at a glance which rates come from our independent MonitorBankRates.com tables and which come from our advertising partners.
Direct-Sourced & Verified Money Market Rate Data: We aggregate money market deposit account rates for Polk City, Iowa directly from the official websites of banks and credit unions using our proprietary rate aggregation technology and a dedicated team of rate updaters. Every money market rate displayed on MonitorBankRates.com is highly accurate and trustworthy.
Local, Regional, and National Coverage: Our systems constantly monitor the market to provide a complete picture of available yields in Polk City, Iowa. We feature a comprehensive mix of institutions from neighborhood credit unions and mid-sized regional banks to large national institutions available to savers in IA.
Daily Updates & Time-Stamped Accuracy: Our rate updaters verify and update money market rates daily. Because MMA yields can fluctuate rapidly based on market conditions, every product listed features its own specific “last updated” date, giving you complete transparency.
Frequently Asked Questions about Money Market Accounts in Polk City, Iowa
What is a Money Market Account (MMA)?
Are Money Market accounts in Polk City, Iowa safe?
How often do MMA rates change in Polk City, Iowa?
Can I write checks from a Money Market Account?
How much do I need to deposit to open a money market account in Polk City, Iowa?
Best Money Market Rates in Polk City, Iowa
- Luana Savings Bank
Money Market Account — 3.09% APY - Grinnell State Bank
Business Money Market Savings — 1.00% APY - Mount Vernon B&T Co.
Money Market Account — 5.50% APY - Atkins Savings B&T
Money Market Account — 3.56% APY - Cent Credit Union
Cheers Money Market — 3.55% APY
